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Specifications
Lifetime:
2000hrs@105℃
Operating Temperature:
-25℃~+105℃
Capacitance:
68uF
Height - Seated (Max):
22mm
Pin Spacing:
7.5mm
Voltage Rating:
400V
Diameter:
18mm
Ripple Current:
410mA@120Hz
Tolerance:
±20%
Mfr. Part #:
68uF400V18x22KM
Package:
Through Hole,D18xL22mm
Key Attributes
Model Number:
68uF400V18x22KM
Product Description
Product Overview
This document outlines the specifications for the Hubei Milang Xingchuang Electronics Co., Ltd. KM Series Aluminum Electrolytic Capacitor. Designed for various applications, these capacitors offer reliable performance and durability.
Product Attributes
- Brand: MILANG
- Origin: Hubei, China
- Product Type: Aluminum Electrolytic Capacitor
- Series: KM Series
- Certifications: RoHS
- Sleeve Material: PET
- Sleeve Color: Black with white lettering
Technical Specifications
| Part Number | Series | Capacitance (uF) | Rated Voltage (V) | Size (D x L) mm | Tolerance | Dissipation Factor (DF) / 120Hz | Leakage Current (uA) 60s | Impedance () 100KHz | Ripple Current (mA) 120Hz 105 | Surge Voltage (V) | Working Temperature () | Terminal Type |
| KM 68UF400V 18X22 | KM | 68.0 | 400 | 18.0 x 22.0 | -20% ~ +20% | 15 | 816.0 | N/A | 410 | 450 | -25 ~ +105 | Long lead |
Dimensions
| Dimension | Value (mm) | Tolerance (mm) |
| D | 18.0 | 0.5 |
| L | 22.0 | 1.5 |
| F | 7.5 | 0.5 |
| d | 0.8 | 0.05 |
Ripple Current Multiplier
| Frequency | CAP 10 | 10 < CAP 100 | 100 < CAP 1000 | CAP > 1000 |
| 50Hz/60Hz | 0.65 | 0.75 | 0.80 | 0.85 |
| 120Hz | 1.00 | 1.00 | 1.00 | 1.00 |
| 1KHz | 1.75 | 1.5 | 1.3 | 1.05 |
| 10KHz | 2.3 | 1.75 | 1.4 | 1.08 |
| 50~100KHz | 2.50 | 1.80 | 1.40 | 1.08 |
Ripple Current Multiplier vs. Temperature
| Temperature () | Multiplier |
| 45 | 2.30 |
| 60 | 2.10 |
| 70 | 2.00 |
| 85 | 1.7 |
| 95 | 1.40 |
| 105 | 1.00 |
Marking
| Item | Description |
| 1 | Company Logo |
| 2 | Capacitance and Rated Voltage |
| 3 | Polarity Bar |
| 4 | Product Series |
| 5 | Operating Temperature Range and Capacitance Tolerance |
| 6 | RoHS |
| 7 | Production Date (e.g., 2502 for Feb 2025) |
| 8 | Sleeve Material |
Test Items and Conditions
| Test Item | Conditions | Specifications | ||
| Maximum Permissible Ripple Current | Temperature: 1052, Voltage: DC+peak ripple Rated, Ripple Frequency: 120Hz | Refer to table | ||
| Surge | Temperature: 1052, Duration: 30 seconds ON / 5 minutes OFF, 1000 cycles | 1. No electrical or mechanical damage. 2. Capacitance change within 15%. 3. DF smaller than specification. 4. Leakage current smaller than specification. | ||
| Temperature Cycle | One Cycle: Rated low category temp3 (303 min) -> 25 (3 MAX min) | 1. No appearance defect. 2. Capacitance change within 5%. 3. DF smaller than specification. 4. Leakage current smaller than specification. | ||
| Resistance to Soldering Heat | Warm up: 1202 sec to 1202, Solder bath: 2605 (Sn-96.5%, Ag-3.0%, Cu-0.5%), Immersion: 1.5-2.0mm, Duration: 101 sec | 1. No appearance defect. 2. Capacitance change within 5%. 3. DF smaller than specification. 4. Leakage current smaller than specification. | ||
| Solder Ability | Solder bath: 2355 (Sn-96.5%), Immersion: 1.5-2.0mm, Duration: 101 sec | A minimum of 95% of the immersed surface is to be coated with new solder. | ||
| Low Temperature Characteristics (Max. Impedance Ratio) | Working Voltage (V) | Z(-40)/Z(+20) for 6.3-100V; Z(-25)/Z(+20) for 160-450V | ||
| 6.3, 10, 16, 25, 35, 50, 63, 100 | 8, 6, 4, 3, 3, 3, 3, 3 | |||
| 160, 200, 250, 350, 400, 420, 450 | 3, 3, 4, 4, 6, 6, 8 | |||
| High Humidity Storage | Temperature: 402, Relative Humidity: 90-95%, Duration: 2408 hours | 1. No electrical or mechanical damage. 2. Capacitance change within 15%. 3. DF smaller than specification. 4. Leakage current smaller than specification. | ||
| Vent | Applied current (A) | Minutes | ||
| < 22.4mm diameter | 1 | within 30 | ||
| 22.5mm diameter | 10 | 9 | ||
| Terminal Strength (Tensile/Bending) | Tensile Test | Diameter (mm) | Tensile Strength (N) | Continued time |
| 0.5 d 0.8 | 10 | 101 sec | ||
| 0.8 < d 1.25 | 20 | 101 sec | ||
| Bending Test | Diameter (mm) | Bending Strength (N) | Awl quality | |
| 0.5 d 0.8 | 5 | 0.51kg | ||
| 0.8 < d 1.25 | 10 | 1.02kg | ||
| Vibration | Frequency: 10 Hz to 55 Hz, Amplitude: 1.5 mm, Duration: 2 hours per direction (3 directions) | 1. No electrical or mechanical damage. 2. No appearance damage. | ||
| Endurance | Oven at 105 with applied voltage for 2000 hours. Restored to 25. | 1. Capacitance change within 20% of initial. 2. DF change within 200% of specified. 3. Leakage current smaller than specification. | ||
| Shelf Life | Oven at 105 for 1000 hours without voltage. Restored to 25. | 1. Capacitance change within 20% of initial. 2. DF change within 200% of specified. 3. Leakage current within 200% of specification. |
Packing
| Packing Type | Inner Box Dimensions (L x W x H) mm | Outer Box Dimensions (L x W x H) mm |
| Bulk Packing | N/A | 420 x 327 x 270 |
| Taped Packing | 345 x 235 x 55 | 490 x 355 x 295 (10 boxes per outer box) |
| Box Packing | 345 x 235 x 55 | 490 x 355 x 295 |
Storage Conditions
- Storage Temperature: 35
- Storage Humidity: 75% RH
- Shelf Life: One year (recharge required after one year)
2507111630_Econd-68uF400V18x22KM_C49332852.pdf
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